EP 3856709 A1 20210804 - SYNTHESIS OF CYCLOPENTENONES
Title (en)
SYNTHESIS OF CYCLOPENTENONES
Title (de)
SYNTHESE VON CYCLOPENTENONEN
Title (fr)
SYNTHÈSE DE CYCLOPENTÉNONES
Publication
Application
Priority
- US 201862737969 P 20180928
- US 2019050544 W 20190911
Abstract (en)
[origin: WO2020068419A1] A method comprising synthesizing a substituted cyclopentenone compound via reaction of a substituted cycloalkyl acrylate ester in the presence of phosphorous pentoxide/methanesulfonic acid reagent to make the substituted cyclopentenone compound.
IPC 8 full level
C07C 49/623 (2006.01); C07C 49/633 (2006.01)
CPC (source: EP KR US)
C07C 45/676 (2013.01 - US); C07C 45/86 (2013.01 - KR); C07C 49/623 (2013.01 - EP); C07C 49/633 (2013.01 - EP KR); C07C 2602/02 (2017.05 - KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020068419 A1 20200402; BR 112021003385 A2 20210518; BR 112021003385 B1 20240215; CA 3112919 A1 20200402; CN 112601731 A 20210402; CN 112601731 B 20231003; EP 3856709 A1 20210804; JP 2022501323 A 20220106; JP 7494164 B2 20240603; KR 20210068482 A 20210609; SG 11202102215W A 20210429; US 11292757 B2 20220405; US 2021206709 A1 20210708
DOCDB simple family (application)
US 2019050544 W 20190911; BR 112021003385 A 20190911; CA 3112919 A 20190911; CN 201980055816 A 20190911; EP 19773680 A 20190911; JP 2021512422 A 20190911; KR 20217012159 A 20190911; SG 11202102215W A 20190911; US 201917263183 A 20190911